0023024: Update headers of OCCT files

Added appropriate copyright and license information in source files

src/BRepAlgo/BRepAlgo_BooleanOperation.cdl

@@ -1,8 +1,23 @@
--- File:	BRepAlgo_BooleanOperation.cdl
--- Created:	Thu Oct 14 18:14:43 1993
--- Author:	Remi LEQUETTE
---		<rle@phylox>
----Copyright:	 Matra Datavision 1993
+-- Created on: 1993-10-14
+-- Created by: Remi LEQUETTE
+-- Copyright (c) 1993-1999 Matra Datavision
+-- Copyright (c) 1999-2012 OPEN CASCADE SAS
+--
+-- The content of this file is subject to the Open CASCADE Technology Public
+-- License Version 6.5 (the "License"). You may not use the content of this file
+-- except in compliance with the License. Please obtain a copy of the License
+-- at http://www.opencascade.org and read it completely before using this file.
+--
+-- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
+-- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
+--
+-- The Original Code and all software distributed under the License is
+-- distributed on an "AS IS" basis, without warranty of any kind, and the
+-- Initial Developer hereby disclaims all such warranties, including without
+-- limitation, any warranties of merchantability, fitness for a particular
+-- purpose or non-infringement. Please see the License for the specific terms
+-- and conditions governing the rights and limitations under the License.
+
 
 deferred class BooleanOperation from BRepAlgo inherits MakeShape from BRepBuilderAPI